If A sub a = A sub b, then a=b. Hint: Apply translations to zero. Any advice? Sorry...A sub a is defined as a function Z ---> Z bu the rule x ---> x+a
Last edited by Jhevon; Mar 9th 2009 at 10:17 PM.
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Originally Posted by jzellt Sorry...A sub a is defined as a function Z ---> Z bu the rule x ---> x+a ...that was a very important piece of info, don't you think? assume$\displaystyle A_a(x) = A_b(x)$, then it means $\displaystyle x + a = x + b$. now what?
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